<template>
  <div>
    <UploadExcel :on-success="onSuccess"></UploadExcel>
  </div>
</template>

<script>
import { importEmployee } from '@/api/employees.js'
export default {
  name: 'Import',
  components: {},
  props: {},
  data() {
    return {

    }
  },
  created() {

  },
  methods: {
    formatDate(numb, format) {
      const time = new Date((numb - 1) * 24 * 3600000 + 1)
      time.setYear(time.getFullYear() - 70)
      const year = time.getFullYear() + ''
      const month = time.getMonth() + 1 + ''
      const date = time.getDate() - 1 + ''
      if (format && format.length === 1) {
        return year + format + month + format + date
      }
      return year + (month < 10 ? '0' + month : month) + (date < 10 ? '0' + date : date)
    },
    async onSuccess({ header, results }) {
      console.log(header)
      console.log(results)
      const userRelations = {
        '入职日期': 'timeOfEntry',
        '手机号': 'mobile',
        '姓名': 'username',
        '转正日期': 'correctionTime',
        '工号': 'workNumber'
      }
      // 标准写法
      /*
      const arr = []
      // 循环数组
      results.forEach(t => {
        const info = {}
        // 循环对象
        for (var key in t) {
          // 得到新的key
          const newKey = userRelations[key]
          info[newKey] = t[key]
        }
        arr.push(info)
      })
      console.log(arr)
      */
      //  简化写法
      const arr = results.map(t => {
        const info = {}
        Object.keys(t).forEach(key => {
          if (userRelations[key] === 'timeOfEntry' || userRelations[key] === 'correctionTime') {
            info[userRelations[key]] = new Date(this.formatDate(t[key], '/')) // 只有这样, 才能入库
            return
          }
          info[userRelations[key]] = t[key]
        })
        return info
      })
      await importEmployee(arr)
      this.$message.success('上传成功')
      this.$router.back()
    }
  }
}
</script>

<style lang="less" scoped>

</style>
